Home / 149,581,146.69-204,925,215.16-143,987,506.45

Finding the Fourth Proportional to 149,581,146.69, 204,925,215.16 and 143,987,506.45

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Solution

The fourth proportional to 149,581,146.69, 204,925,215.16 and 143,987,506.45 is: 197,261,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,581,146.69 : 204,925,215.16 = 143,987,506.45 : x
  2. Step 2: Convert to fraction form
    149,581,146.69/204,925,215.16 = 143,987,506.45/x
  3. Step 3: Cross multiply
    149,581,146.69x = 204,925,215.16 × 143,987,506.45
  4. Step 4: Simplify right side
    149,581,146.69x = 29,506,670,740,436,048
  5. Step 5: Solve for x
    x = 29,506,670,740,436,048/149,581,146.69
  6. Step 6: Final answer
    x = 197,261,963.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.